EP2635628A1 - Verfahren zur herstellung eines geschäumten materials, hierbei eingesetzte emulsionsförmige zusammensetzung und hieraus erhältliches geschäumtes material - Google Patents
Verfahren zur herstellung eines geschäumten materials, hierbei eingesetzte emulsionsförmige zusammensetzung und hieraus erhältliches geschäumtes materialInfo
- Publication number
- EP2635628A1 EP2635628A1 EP11782104.1A EP11782104A EP2635628A1 EP 2635628 A1 EP2635628 A1 EP 2635628A1 EP 11782104 A EP11782104 A EP 11782104A EP 2635628 A1 EP2635628 A1 EP 2635628A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- component
- weight
- pressure
- soluble
- blowing agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 51
- 239000000463 material Substances 0.000 title claims abstract description 34
- 239000000839 emulsion Substances 0.000 title claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 title abstract description 4
- 239000004094 surface-active agent Substances 0.000 claims abstract description 51
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 11
- 239000004604 Blowing Agent Substances 0.000 claims description 42
- -1 polyethylene terephthalate Polymers 0.000 claims description 41
- 229920005862 polyol Polymers 0.000 claims description 41
- 150000003077 polyols Chemical class 0.000 claims description 41
- 239000011148 porous material Substances 0.000 claims description 30
- 230000008569 process Effects 0.000 claims description 30
- 238000006243 chemical reaction Methods 0.000 claims description 26
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 claims description 18
- 239000011159 matrix material Substances 0.000 claims description 16
- 239000004814 polyurethane Substances 0.000 claims description 15
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 12
- 229920000570 polyether Polymers 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 11
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 10
- 150000002148 esters Chemical class 0.000 claims description 8
- 229920000642 polymer Polymers 0.000 claims description 8
- 125000004432 carbon atom Chemical group C* 0.000 claims description 7
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 7
- 150000002170 ethers Chemical class 0.000 claims description 7
- 239000000194 fatty acid Substances 0.000 claims description 7
- 229930195729 fatty acid Natural products 0.000 claims description 7
- 229920001296 polysiloxane Polymers 0.000 claims description 7
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 6
- 239000004417 polycarbonate Substances 0.000 claims description 6
- 229920000515 polycarbonate Polymers 0.000 claims description 6
- 239000005056 polyisocyanate Substances 0.000 claims description 6
- 229920001228 polyisocyanate Polymers 0.000 claims description 6
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 5
- 150000004665 fatty acids Chemical class 0.000 claims description 5
- 229920005906 polyester polyol Polymers 0.000 claims description 5
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 4
- 229920000877 Melamine resin Polymers 0.000 claims description 4
- 125000004429 atom Chemical group 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 3
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 3
- 150000001336 alkenes Chemical class 0.000 claims description 3
- 150000002576 ketones Chemical class 0.000 claims description 3
- 229920000058 polyacrylate Polymers 0.000 claims description 3
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 3
- HNSDLXPSAYFUHK-UHFFFAOYSA-N 1,4-bis(2-ethylhexyl) sulfosuccinate Chemical compound CCCCC(CC)COC(=O)CC(S(O)(=O)=O)C(=O)OCC(CC)CCCC HNSDLXPSAYFUHK-UHFFFAOYSA-N 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000004793 Polystyrene Substances 0.000 claims description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 2
- 150000008051 alkyl sulfates Chemical class 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 2
- 229940067626 phosphatidylinositols Drugs 0.000 claims description 2
- 150000003905 phosphatidylinositols Chemical class 0.000 claims description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 2
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 229920002223 polystyrene Polymers 0.000 claims description 2
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 2
- 239000011118 polyvinyl acetate Substances 0.000 claims description 2
- 239000004800 polyvinyl chloride Substances 0.000 claims description 2
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 2
- 229920001807 Urea-formaldehyde Polymers 0.000 claims 1
- 150000002118 epoxides Chemical class 0.000 claims 1
- 229920001568 phenolic resin Polymers 0.000 claims 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 claims 1
- 230000009467 reduction Effects 0.000 abstract description 5
- 239000004088 foaming agent Substances 0.000 abstract 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 43
- 239000006260 foam Substances 0.000 description 42
- 239000004530 micro-emulsion Substances 0.000 description 34
- 239000007789 gas Substances 0.000 description 27
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 26
- 239000012530 fluid Substances 0.000 description 20
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 17
- 235000011187 glycerol Nutrition 0.000 description 15
- 150000002009 diols Chemical class 0.000 description 13
- 239000003380 propellant Substances 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000002253 acid Substances 0.000 description 10
- 230000006911 nucleation Effects 0.000 description 10
- 238000010899 nucleation Methods 0.000 description 10
- 239000003921 oil Substances 0.000 description 10
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 9
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 8
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 8
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 8
- 235000019441 ethanol Nutrition 0.000 description 8
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 8
- HHDUMDVQUCBCEY-UHFFFAOYSA-N 4-[10,15,20-tris(4-carboxyphenyl)-21,23-dihydroporphyrin-5-yl]benzoic acid Chemical compound OC(=O)c1ccc(cc1)-c1c2ccc(n2)c(-c2ccc(cc2)C(O)=O)c2ccc([nH]2)c(-c2ccc(cc2)C(O)=O)c2ccc(n2)c(-c2ccc(cc2)C(O)=O)c2ccc1[nH]2 HHDUMDVQUCBCEY-UHFFFAOYSA-N 0.000 description 7
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 7
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 6
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 6
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 6
- 230000032683 aging Effects 0.000 description 6
- 230000003712 anti-aging effect Effects 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000011049 filling Methods 0.000 description 6
- 239000000178 monomer Substances 0.000 description 6
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 6
- HMMGMWAXVFQUOA-UHFFFAOYSA-N octamethylcyclotetrasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 HMMGMWAXVFQUOA-UHFFFAOYSA-N 0.000 description 6
- 150000003254 radicals Chemical class 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 6
- 239000007858 starting material Substances 0.000 description 6
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 6
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 6
- 150000007513 acids Chemical class 0.000 description 5
- 238000004581 coalescence Methods 0.000 description 5
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 5
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 238000005204 segregation Methods 0.000 description 5
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 4
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 4
- 229940035437 1,3-propanediol Drugs 0.000 description 4
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 4
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 4
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 4
- 150000001298 alcohols Chemical class 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000005345 coagulation Methods 0.000 description 4
- 230000015271 coagulation Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 4
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 4
- DCAYPVUWAIABOU-UHFFFAOYSA-N hexadecane Chemical compound CCCCCCCCCCCCCCCC DCAYPVUWAIABOU-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 4
- 238000010587 phase diagram Methods 0.000 description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 4
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 4
- BGHCVCJVXZWKCC-UHFFFAOYSA-N tetradecane Chemical compound CCCCCCCCCCCCCC BGHCVCJVXZWKCC-UHFFFAOYSA-N 0.000 description 4
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 4
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 3
- 229920005830 Polyurethane Foam Polymers 0.000 description 3
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 3
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 3
- 239000001361 adipic acid Substances 0.000 description 3
- 235000011037 adipic acid Nutrition 0.000 description 3
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 3
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000012973 diazabicyclooctane Substances 0.000 description 3
- 239000001530 fumaric acid Substances 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000012948 isocyanate Substances 0.000 description 3
- 150000002513 isocyanates Chemical class 0.000 description 3
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 3
- 239000011976 maleic acid Substances 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 238000001000 micrograph Methods 0.000 description 3
- 150000002763 monocarboxylic acids Chemical class 0.000 description 3
- OEIJHBUUFURJLI-UHFFFAOYSA-N octane-1,8-diol Chemical compound OCCCCCCCCO OEIJHBUUFURJLI-UHFFFAOYSA-N 0.000 description 3
- 238000005191 phase separation Methods 0.000 description 3
- 229920000233 poly(alkylene oxides) Polymers 0.000 description 3
- 229920001515 polyalkylene glycol Polymers 0.000 description 3
- 229920000768 polyamine Polymers 0.000 description 3
- 229920001223 polyethylene glycol Polymers 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 239000011496 polyurethane foam Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 150000004072 triols Chemical class 0.000 description 3
- BBMCTIGTTCKYKF-UHFFFAOYSA-N 1-heptanol Chemical compound CCCCCCCO BBMCTIGTTCKYKF-UHFFFAOYSA-N 0.000 description 2
- OHJDDRJXKMWSFJ-UHFFFAOYSA-N 2,4-diethyl-5-methylbenzene-1,3-diamine Chemical compound CCC1=C(C)C=C(N)C(CC)=C1N OHJDDRJXKMWSFJ-UHFFFAOYSA-N 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 2
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- GHPVDCPCKSNJDR-UHFFFAOYSA-N 2-hydroxydecanoic acid Chemical compound CCCCCCCCC(O)C(O)=O GHPVDCPCKSNJDR-UHFFFAOYSA-N 0.000 description 2
- WXUAQHNMJWJLTG-UHFFFAOYSA-N 2-methylbutanedioic acid Chemical compound OC(=O)C(C)CC(O)=O WXUAQHNMJWJLTG-UHFFFAOYSA-N 0.000 description 2
- QWGRWMMWNDWRQN-UHFFFAOYSA-N 2-methylpropane-1,3-diol Chemical compound OCC(C)CO QWGRWMMWNDWRQN-UHFFFAOYSA-N 0.000 description 2
- RNWKAIFTTVGWLK-UHFFFAOYSA-N 3,3-diethylpentanedioic acid Chemical compound OC(=O)CC(CC)(CC)CC(O)=O RNWKAIFTTVGWLK-UHFFFAOYSA-N 0.000 description 2
- WZHHYIOUKQNLQM-UHFFFAOYSA-N 3,4,5,6-tetrachlorophthalic acid Chemical compound OC(=O)C1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1C(O)=O WZHHYIOUKQNLQM-UHFFFAOYSA-N 0.000 description 2
- IBOFVQJTBBUKMU-UHFFFAOYSA-N 4,4'-methylene-bis-(2-chloroaniline) Chemical compound C1=C(Cl)C(N)=CC=C1CC1=CC=C(N)C(Cl)=C1 IBOFVQJTBBUKMU-UHFFFAOYSA-N 0.000 description 2
- CNPURSDMOWDNOQ-UHFFFAOYSA-N 4-methoxy-7h-pyrrolo[2,3-d]pyrimidin-2-amine Chemical compound COC1=NC(N)=NC2=C1C=CN2 CNPURSDMOWDNOQ-UHFFFAOYSA-N 0.000 description 2
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 239000004640 Melamine resin Substances 0.000 description 2
- FLIACVVOZYBSBS-UHFFFAOYSA-N Methyl palmitate Chemical compound CCCCCCCCCCCCCCCC(=O)OC FLIACVVOZYBSBS-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 2
- 229930006000 Sucrose Natural products 0.000 description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 2
- 150000008065 acid anhydrides Chemical class 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 229910002056 binary alloy Inorganic materials 0.000 description 2
- 230000002051 biphasic effect Effects 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
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- 125000004185 ester group Chemical group 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 235000019387 fatty acid methyl ester Nutrition 0.000 description 1
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- YCOZIPAWZNQLMR-UHFFFAOYSA-N heptane - octane Natural products CCCCCCCCCCCCCCC YCOZIPAWZNQLMR-UHFFFAOYSA-N 0.000 description 1
- MNWFXJYAOYHMED-UHFFFAOYSA-N heptanoic acid Chemical compound CCCCCCC(O)=O MNWFXJYAOYHMED-UHFFFAOYSA-N 0.000 description 1
- NFVSFLUJRHRSJG-UHFFFAOYSA-N hexadecamethylheptasiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C NFVSFLUJRHRSJG-UHFFFAOYSA-N 0.000 description 1
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 1
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 1
- HTDJPCNNEPUOOQ-UHFFFAOYSA-N hexamethylcyclotrisiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O1 HTDJPCNNEPUOOQ-UHFFFAOYSA-N 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 1
- 125000001165 hydrophobic group Chemical group 0.000 description 1
- 238000006459 hydrosilylation reaction Methods 0.000 description 1
- LMHJFKYQYDSOQO-UHFFFAOYSA-N hydroxydecanoic acid Natural products CCCCCC(O)CCCC(O)=O LMHJFKYQYDSOQO-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 229940119545 isobornyl methacrylate Drugs 0.000 description 1
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 1
- 125000005647 linker group Chemical group 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- SWGZAKPJNWCPRY-UHFFFAOYSA-N methyl-bis(trimethylsilyloxy)silicon Chemical compound C[Si](C)(C)O[Si](C)O[Si](C)(C)C SWGZAKPJNWCPRY-UHFFFAOYSA-N 0.000 description 1
- KVKFRMCSXWQSNT-UHFFFAOYSA-N n,n'-dimethylethane-1,2-diamine Chemical compound CNCCNC KVKFRMCSXWQSNT-UHFFFAOYSA-N 0.000 description 1
- 229940094933 n-dodecane Drugs 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N n-hexanoic acid Natural products CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 238000002429 nitrogen sorption measurement Methods 0.000 description 1
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 description 1
- HXSACZWWBYWLIS-UHFFFAOYSA-N oxadiazine-4,5,6-trione Chemical group O=C1ON=NC(=O)C1=O HXSACZWWBYWLIS-UHFFFAOYSA-N 0.000 description 1
- 150000002924 oxiranes Chemical class 0.000 description 1
- MTMMGZCTRGFZAH-UHFFFAOYSA-N pent-1-ene-1,5-diol Chemical compound OCCCC=CO MTMMGZCTRGFZAH-UHFFFAOYSA-N 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- SNGREZUHAYWORS-UHFFFAOYSA-N perfluorooctanoic acid Chemical compound OC(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F SNGREZUHAYWORS-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- ZNZJJSYHZBXQSM-UHFFFAOYSA-N propane-2,2-diamine Chemical compound CC(C)(N)N ZNZJJSYHZBXQSM-UHFFFAOYSA-N 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- XWGJFPHUCFXLBL-UHFFFAOYSA-M rongalite Chemical compound [Na+].OCS([O-])=O XWGJFPHUCFXLBL-UHFFFAOYSA-M 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 125000005373 siloxane group Chemical group [SiH2](O*)* 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000011145 styrene acrylonitrile resin Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229940008424 tetradecamethylhexasiloxane Drugs 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 239000013638 trimer Substances 0.000 description 1
- KVMPUXDNESXNOH-UHFFFAOYSA-N tris(1-chloropropan-2-yl) phosphate Chemical compound ClCC(C)OP(=O)(OC(C)CCl)OC(C)CCl KVMPUXDNESXNOH-UHFFFAOYSA-N 0.000 description 1
- KJIOQYGWTQBHNH-UHFFFAOYSA-N undecanol Chemical compound CCCCCCCCCCCO KJIOQYGWTQBHNH-UHFFFAOYSA-N 0.000 description 1
- AVWRKZWQTYIKIY-UHFFFAOYSA-N urea-1-carboxylic acid Chemical compound NC(=O)NC(O)=O AVWRKZWQTYIKIY-UHFFFAOYSA-N 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/08—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/122—Hydrogen, oxygen, CO2, nitrogen or noble gases
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/16—Making expandable particles
- C08J9/20—Making expandable particles by suspension polymerisation in the presence of the blowing agent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/01—Hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2201/00—Foams characterised by the foaming process
- C08J2201/04—Foams characterised by the foaming process characterised by the elimination of a liquid or solid component, e.g. precipitation, leaching out, evaporation
- C08J2201/05—Elimination by evaporation or heat degradation of a liquid phase
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/06—CO2, N2 or noble gases
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/08—Supercritical fluid
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
Definitions
- the present invention relates to a process for producing a foamed material, wherein an emulsion-type composition having a matrix-forming component, a surfactant component and a near or supercritical blowing agent component undergoes a reduction in pressure. It further relates to an emulsion-type composition to be used herein and a foamed material obtainable by the process of the present invention.
- a goal of current technical research and development is to produce nanocellular foams.
- One application of nanocellular foams is, for example, the thermal insulation of buildings. Pipe insulation and refrigerators. Here you can take advantage of the Knudsen effect. If the pore sizes of the foams are in the range of the mean free path of the gas molecules, the thermal conductivity drops significantly.
- the foam should preferably be producible in large blocks.
- Conventional foam plastic typically contains 10 3 to 10 6 bubbles per cm 3 . It would be desirable to raise the bubble density to above 10 9 cm -3 .
- blowing agents are used to make polymeric foams.
- the polymers to be foamed, polymeric fluids or polymerisable mixtures are foamed with the aid of the propellant. This may be gaseous or a volatile component which is vaporized by the heat of reaction of the polymerization or by heating.
- microemulsions The preparation of microemulsions is known.
- water and oil are brought into a macroscopically homogeneous, thermodynamically stable, nanostructured mixture with the aid of a surfactant.
- a surfactant Through the targeted choice of composition, pressure and temperature, a wide variety of structures can be set.
- oil-in-water (o / w) microemulsions the oil is present in the form of small oil droplets encased in a surfactant film.
- the oil usually a condensed long-chain hydrocarbon, can also be replaced by short-chain hydrocarbons, such as propane, or by C0 2 .
- One possible approach to producing a nanofoam is the POSME process.
- POSME Principal of Supercritical Microemulsion Expansion
- the starting point of this process is a mixture of water and surfactant at atmospheric pressure, which is covered with a propellant gas.
- the surfactant concentration in the hydrophilic phase is chosen so that the formation of microemulsion droplets occurs.
- the gas changes to a supercritical state. If the gas in this case reaches an oil-like density, it can be incorporated into the microphase droplets of the water phase by interaction with the surfactant molecules. In this way, there is formation of a microemulsion with supercritical fluid as an oil component having a suitable structure at a droplet density of 10?
- the POSME method is described in DE 102 60 815 AI.
- This patent application discloses foamed material and a process for producing the foamed material. Foamed material with nano-sized foam bubbles is to be generated without having to overcome the energy barrier that usually occurs in phase transformations and nucleation processes. Associated with this is the goal to controllably produce a foamed material having a number density of foam bubbles between 10 12 and 10 18 per cm 3 and an average diameter of the foam bubbles between 10 nm and 10 microns.
- the basis is the dispersion of a second fluid in the form of pools in a matrix of a first fluid. In one Reaction space are the first fluid as a matrix and the second fluid in pools before.
- the second fluid By pressure and / or temperature change, the second fluid is converted into a near or supercritical state with a liquid-near density. Thus, the second fluid is completely or almost completely in pools, which are evenly distributed throughout the first fluid. By depressurizing, the second fluid returns to a gaseous density state where the pools are inflated into nanoscale foam bubbles. No energy barrier needs to be overcome, nor do the blowing agent molecules have to diffuse to the growing bubbles.
- the first fluid a polymerizable substance is generally proposed here.
- the second fluid should be selected from a group of hydrocarbons such as methane or ethane, further alkanols, chlorofluorocarbons or C0 2 .
- an amphiphilic material is used, which should have at least one block inclined to the first fluid and at least one block inclined towards the second fluid.
- the product may vary greatly in terms of the homogeneity and properties of the foam.
- the addition of particles or the introduction of air bubbles is an attempt to initiate nucleation, but can not achieve very high number densities of bubbles. It comes that the heterogeneous particles remain in the final product.
- Another possibility for aging besides coalescence is Ostwald ripening.
- gas molecules diffuse from one bubble of foam to another. This is a dynamic process in which both bubbles exchange molecules with each other.
- the larger foam bubbles continue to grow at the expense of the smaller ones.
- the object of the present invention is therefore to provide a technically feasible method with which a nanocellular foam can be produced in which the abovementioned problems of the aging processes do not or no longer occur to a significant extent.
- the object is achieved by a method for producing a foamed material, comprising the steps:
- an emulsion-type composition comprising: A) a matrix-forming component, wherein the matrix formed is solid at room temperature,
- component A) a blowing agent component emulsified in component A) which comprises supercritical or near-critical CO 2 ;
- blowing agent component C) Converting the C0 2 of the blowing agent component C) into the subcritical state by reducing the pressure: the process being characterized in that the blowing agent component C) further comprises a hydrophobic co-component D) which is soluble in supercritical C0 2 at a pressure of> 150 bar is insoluble in subcritical C0 2 at a pressure of ⁇ 40 bar and is not soluble in component A) and further the co-component D) in a proportion of> 3% by weight to ⁇ 35% by weight of the blowing agent component is present.
- a hydrophobic co-component D) which is soluble in supercritical C0 2 at a pressure of> 150 bar is insoluble in subcritical C0 2 at a pressure of ⁇ 40 bar and is not soluble in component A) and further the co-component D) in a proportion of> 3% by weight to ⁇ 35% by weight of the blowing agent component is present.
- the emulsion-like composition may be in the form of microemulsions.
- These microemulsions comprise, as a non-polar component, a system of blowing agent and co-component (also referred to as "oil” without limitation) in the so-called critical composition
- the oil has a tendency to accumulate in the blowing agent due to its hydrophobicity corresponds here to the critical or near-critical composition, which separates spinodally during the relaxation and thus reduces the interfacial tension in the subphase.
- the oil in the gas microemulsion described above during the expansion in the resulting foam has a stabilizing function, is thus an "anti-aging -agent "(AAA).
- AAAA anti-aging -agent
- the surfactant film is no longer sufficient to cover the interface, creating a new interface between gas and liquid in an unstabilized microemulsion.
- the anti-aging agent is dissolved in the gas subphase, it strikes the inner wall of the microemulsion droplet during the expansion low.
- the phase separation with the blowing agent within the microemulsion droplets runs controlled by the spinodal segregation and without an energy barrier.
- the stabilizing effect here is the lowering of the interfacial tension, since direct contact between supercritical fluid or gas and polar phase is prevented.
- the anti-aging agent has a higher density than the gas and thus can interact better with the hydrophobic group of the surfactant.
- the invention involves the expansion of preformulated small droplets of a mixture of supercritical fluid and hydrophobic additive of critical composition in a hydrophilic matrix.
- the number density of the droplets is freely selectable over wide ranges by the well-known, adjustable parameters of microemulsions.
- blowing agent component C) together with the co-component D) is emulsified in the matrix component A) with the intermediation of the surfactants B).
- the provision can be done for example in an ischkopf a high-pressure mixing plant.
- the matrix-forming component A) should initially be liquid under the conditions of the process according to the invention, so that the blowing agent can be emulsified therein.
- reaction and / or cooling a material is obtained, which is solid at room temperature (defined as 20 ° C) and is therefore useful for technical applications.
- Examples of such components A) are melted thermoplastic polymers and Christsmis calculations of one or more monomers which polymerize and thereby fix the resulting foam.
- This component A) may of course contain other auxiliaries and additives.
- the surfactant component B) may be a single surfactant or a mixture of different surfactants. It should preferably be selected according to which the formation of microemulsions in the relevant system is to be expected. This can be determined by preliminary tests.
- blowing agent component C Another component of the emulsion-type composition is a blowing agent component C).
- C0 2 is the only blowing agent.
- the C0 2 can be added externally. But it is also possible that the carbon dioxide is formed during the reaction to form a polyurethane foam, for example by the reaction of isocyanates with water or with acids.
- near-critical conditions are present when the following condition is fulfilled: (T c -T) / T ⁇ 0.4 (temperature in Kelvin) and / or (p c -p) / p ⁇ 0, 4th I
- T is the temperature prevailing in the process
- T c is the critical temperature of C0 2 (31 ° C)
- p is the pressure prevailing in the process
- p c is the critical pressure for C0 2 (73.7 bar).
- near-critical conditions are present when: (T c -T) / T ⁇ 0.3 and / or (p c -P) / p ⁇ 0.3 and particularly preferably (T c -T) / T ⁇ 0, 2 and / or (p c -p) / p ⁇ 0.2.
- the propellant may be present, for example, in a droplet size of> 1 nm to ⁇ 100 nm.
- the droplet size can also be> 3 nm to ⁇ 30 nm. It can be determined, for example, by means of dynamic light scattering or neutron small angle scattering and is to be understood as the mean value of the droplet sizes.
- Such droplet sizes are achieved in particular if the reaction mixture according to the invention is present as a microemulsion.
- a small droplet size is advantageous because it causes a small cell size in the resulting foam in a further processing of the composition into polymer foams.
- a further step in the process according to the invention is the conversion of the C0 2 of the blowing agent component C) into the subcritical state by reducing the pressure. It is very preferred that this be done by lowering the pressure above the critical temperature of the C0 2 .
- the blowing agent component C) furthermore comprises a hydrophobic co-component D).
- the co-component may be a compound or a mixture of different compounds. Examples are long-chain alkanes, aromatics, polysiloxanes ("silicone oils”) and long-chain organic ethers, esters and ketones. "Hydrophobic" is defined here such that the distribution coefficient of the co-component D) in an octanol / water system log KQ W under standard conditions is> 2, preferably> 4, and particularly preferably> 5.
- the co-component is different from the surfactant component. It does not act as a surfactant, with any action as a defoamer is still included according to the invention.
- this property can be defined such that for nonionic co-components D) their 1 IL B value is ⁇ 1 and preferably 0.
- the I IL B value hydrophilic-lipophilic balance
- the co-component D) in supercritical CO 2 at a pressure of> 150 bar is soluble and not soluble in subcritical CO 2 at a pressure of ⁇ 40 bar.
- it is soluble in supercritical C0 2 at a pressure of> 140 bar and not soluble in subcritical C0 2 at a pressure of ⁇ 60 bar.
- It is particularly preferably soluble in supercritical C0 2 at a pressure of> 120 bar and not soluble in subcritical C0 2 at a pressure of ⁇ 70 bar.
- “Soluble” and “not soluble” here means that a single-phase or two-phase system would be obtained within the propellant component C) and in particular therefore within C0 2 under the proportions by weight of the co-component D) specified according to the invention.
- the co-component D) is not completely soluble or insoluble in the component A), and may therefore attach to the inner side of the propellant emulsion droplets upon ignition of the ink.
- “Soluble” and “not soluble” here means that a single-phase or two-phase system would be obtained within the proportions by weight of the co-component D) specified within component A).
- the anti-aging agent preferably contains no reactive groups for the reactive mixture, since this can lead to improved solubility in the reactive mixture.
- the co-component D) is preferably present in a proportion of> 4% by weight to ⁇ 20% by weight.
- blowing agent component with> 4% by weight to ⁇ 20% by weight D) and> 80% by weight to ⁇ 96% by weight of C0 2 , particularly preferably> 85% by weight to ⁇ 95% by weight of CO 2 , the sum of the weight fractions being ⁇ 100% by weight.
- components A), B), C) and D) may be present in the emulsion-forming composition in the following proportions, the information always adding up to ⁇ 100% by weight: A)> 60% by weight to ⁇ 95% by weight %, preferably> 65% by weight to ⁇ 85% by weight, more preferably> 70% by weight to ⁇ 80% by weight;
- component A) comprises a polyisocyanate-reactive compound and a polyisocyanate.
- Suitable isocyanate-reactive compounds are in particular polyols, polyamines, polyamino alcohols. and polythiols.
- polyamines examples include ethylenediamine, 1,2- and 1,3-diaminopropane, 1,4-diaminobutane, 1,6-diaminohexane, isophoronediamine, an isomer mixture of 2,2,4- and 2,4,4-trimethylhexamethylenediamine, 2 Methylpentamethylenediamine, diethylenetriamine, 1,3- and 1,4-xylylenediamine, ⁇ , ⁇ , ⁇ ', ⁇ '-tetramethyl-1,3- and -1,4-xylylenediamine and 4,4'-diaminodicyclohexylmethane, diethylmethylbenzenediamine (DETDA), 4,4'-diamino-3,3'-dichlorodiphenylmethane (MOCA), dimethylethylenediamine, 1,4-bis (aminomethyl) cyclohexane, 4.4'- Diamino-3,3'-d
- amino alcohols are N-aminoethylethanolamine, ethanolamine, 3-aminopropanol, neopentanolamine and diethanolamine.
- polythiols examples include di (2-mercaptoethyl) ether, pentaerythritol tetrakisthioglycolate, pentaerythritol tetrakis (3-mercaptopropionate) and 1, 2-bis ((2-mercaptoethyl) thio) -3mercaptopropane.
- the polyol is selected from the group comprising polyether polyols, polyester polyols, P olycarb onatp polyols, polyetherester polyols, and / or polyacrylate and further wherein the OH-Zahi of the polyol> 100 mg KOH / g to ⁇ 800 mg KOH / g, more preferably> 350 mg KOH / g to ⁇ 650 mg KOH / g, and the average OH functionality of the polyols> 2.
- the polyols which can be used according to the invention can be, for example, a number average molecular weight M "of> 60 g / mol to ⁇ 8000 g / mol, preferably of> 90 g / mol to ⁇ 5000 g / mol and more preferably of> 92 g / mol to ⁇ 1000 g / mol.
- the OH number indicates its OH number in the case of a single polyol added. In the case of mixtures, the average OH number is given. This value can be determined using DIN 53240.
- the average OH functionality of said polyols is> 2, for example in a range from> 2 to ⁇ 6, preferably from> 2.1 to ⁇ 4 and more preferably from> 2.2 to ⁇ 3.
- Polyether polyols which can be used according to the invention are, for example, polytetramethylene glycol polyethers as obtainable by polymerization of tetrahydrofuran by means of cationic ring opening.
- suitable polyether polyols are addition products of styrene oxide, ethylene oxide, propylene oxide, butylene oxides and / or epichlorohydrin to di- or polyfunctional starter molecules.
- suitable starter molecules are water, ethylene glycol, diethylene glycol, butyldiglycol, glycerol, diethylene glycol, trimethylolpropane, propylene glycol, pentaerythritol, sorbitol, sucrose, ethylenediamine, toluenediamine, triethanolamine, 1,4-butanediol, 1,6-hexanediol and low molecular weight.
- Polyester polyols which can be used according to the invention include, among others, polycondensates of di- and furthermore tri- and tetra-len and di- and also tri- and tetracarboxylic acids or Hydroxycarboxylic acids or lactones.
- polycondensates of di- and furthermore tri- and tetra-len and di- and also tri- and tetracarboxylic acids or Hydroxycarboxylic acids or lactones instead of the free polycarboxylic acids, it is also possible to use the corresponding polycarboxylic acid anhydrides or corresponding polycarboxylic acid esters of lower alcohols for the preparation of the polyesters.
- suitable dioxides are ethylene glycol, butylene glycol, diethylene glycol, triethylene glycol, polyalkylene glycols such as polyethylene glycol, furthermore 1,2-propanediol, 1,3-propanediol, butanediol (1,3), butanediol (1,4), hexanediol (1,6) and isomers, neopentyl glycol or hydroxypivalins urea eptyl glycol ester.
- polyalkylene glycols such as polyethylene glycol, furthermore 1,2-propanediol, 1,3-propanediol, butanediol (1,3), butanediol (1,4), hexanediol (1,6) and isomers, neopentyl glycol or hydroxypivalins urea eptyl glycol ester.
- polyols such as trimethylolpropane, glycerol, erythritol, pentaerythritol, trimethylolbenzene or trishydroxyethyl isocyanurate.
- polycarboxylic acids for example, phthalic acid, isophthalic acid, terephthalic acid,
- Tetrahydrophthalic acid Tetrahydrophthalic acid, hexahydrophthalic acid, cyclohexanedicarboxylic acid, adipic acid, azelaic acid, sebacic acid, glutaric acid, tetrachlorophthalic acid, maleic acid, fumaric acid, itaconic acid, malonic acid, suberic acid, succinic acid, 2-methylbritthinuric acid, 3,3-diethylglutaric acid, 2,2-D in ethylbartaric acid , Dodecanedioic acid, endomethyl ends hydrofluoric acid. Dimer fatty acid, trimer fatty acid, citric acid, or trimellitic acid.
- the acid source used may also be the corresponding anhydrides.
- Monocarboxylic acids such as benzoic acid and hexanecarboxylic be used with.
- Hydroxycarboxylic acids which may be co-used as reactants in the preparation of a hydroxyl-terminated polyester polyol include hydroxycaproic acid, hydroxybutyric acid, hydroxydecanoic acid, hydroxystearic acid, and the like.
- Suitable lactones include caprolactone, butyroiactone and homologs.
- Polycarbonate polyols which can be used according to the invention are hydroxyl-containing polycarbonates, for example polycarbonate diols. These are obtainable by reaction of carbonic acid derivatives, such as diphenyl carbonate, dimethyl carbonate or phosgene, with polyols, preferably diols.
- diols examples include ethylene glycol, 1,2- and 1,3-propanediol, 1,3- and 1, 4-butanediol, 1,6-hexanediol, 1,8-octanediol, neopentyl glycol, 1, 4-bishydroxymethylcyclohexane, 2 Methyl-l, 3-propanediol, 2,2,4-trimethylpentanediol-l, 3, dipropylene glycol, polypropylene glycols, dibutylene glycol, polybutylene glycols, bisphenol A and lactone-modified diols of the aforementioned kind.
- polyether-polycarbonate diols instead of or in addition to pure polycarbonate diols, it is also possible to use polyether-polycarbonate diols.
- Polyetherester polyols which can be used according to the invention are those compounds which contain ether groups, ester groups and OH groups.
- Organic dicarboxylic acids having up to 1 2 Kohienstoffatomen are suitable for preparing the Polyetheresterpolyole, preferably aliphatic dicarboxylic acids having> 4 to ⁇ 6 carbon atoms or aromatic dicarboxylic acids, which are used individually or in admixture.
- Exemplary are suberic acid.
- As derivatives of these acids for example, their anhydrides and their esters and half esters with low molecular weight, monofunctional alcohols having> 1 to ⁇ 4 Kohienstoffatomen be used.
- polyether polyols are used which are obtained by alkoxylating starter molecules such as polyhydric alcohols.
- the starter molecules are at least difunctional, but may optionally also contain fractions of higher-functionality, especially trifunctional starter molecules.
- Polyetherester polyols can be obtained by the reactions of polyalkene acid anhydrides with diols and subsequent alkoxylation of these compounds.
- Starter molecules are, for example, diols having primary OH groups and number average molecular weights M "of preferably> 18 g / mol to ⁇ 400 g / mol or of> 62 g / mol to ⁇ 200 g mol such as 1,2-ethanediol, 1, 3 Propanediol, 1, 4-butanediol, 1, 5-pentene diol, 1,5-pentanediol, Neop entylglykol, 1, 6-hexanediol, 1.7-1 leptanediol.
- polyols with number-average functionalities of> 2 to ⁇ 8, or of> 3 to ⁇ 4, for example ⁇ , ⁇ , ⁇ -trimethylolpropane, triethanolamine, glycerine, sorbitan and peptyl ether Ri ts owi e on triols or T etraolen ge launched polyethylene oxide polyols having average molecular weights of preferably> 18 g / mol to ⁇ 400 g / mol or from> 62 g / mol to ⁇ 200 g / mol. Preference is given to glycerol.
- Polyacrylate polyols can be obtained by free-radical polymerization of hydroxyl-containing, olefinically unsaturated monomers or by free-radical copolymerization of hydroxyl-containing, olefinically unsaturated monomers with optionally other olefinically unsaturated monomers.
- Examples of these are ethyl acrylate, butyl acrylate, 2-ethylhexyl acrylate, isobornyl acrylate, methyl methacrylate, ethyl methacrylate, butyl methacrylate, cyclohexyl methacrylate, isobornyl methacrylate, styrene, acrylic acid, acrylonitrile and / or methacrylonitrile.
- Suitable hydroxyl-containing, olefinically unsaturated monomers are, in particular, 2-hydroxyethyl acrylate, 2-hydroxyethyl methacrylate, the hydroxypropyl acrylate isomer mixture obtainable by addition of propylene oxide onto acrylic acid and the hydroxypropyl methacrylate obtainable by addition of propylene oxide onto methacrylic acid - Isomer mixture. Terminal hydroxyl groups may also be in protected form.
- Suitable free-radical initiators are those from the group of ⁇ / compounds, such as, for example, azoisobutyronitrile (AIBN), or from the group of peroxides, such as, for example, di-tert-butyl peroxide.
- polyisocyanates examples include 1,4-butylene diisocyanate, 1,5-pentane diisocyanate, 1,6-hexamethylene diisocyanate (HDI), isophorone diisocyanate (IPDI), 2,2,4- and / or 2,4,4-trimethylhexamethylene diisocyanate, the isomeric bis (4,4'-isocyanatocyclohexyl) methanes or their mixtures of any desired isomeric, 1,4-cyclohexylenediisocyanate, 1,4-phenylenediisocyanate, 2,4- and / or 2,6-toluylenediisocyanate (TDI), 1, 5 Naphthylene diisocyanate, 2,2'- and / or 2,4'- and / or 4,4'-diphenylmethane diisocyanate (MDI) or higher homologs (polymeric MDI, pMDI), 1,3- and / or 1,4-
- modified diisocyanates containing uretdione, isocyanurate, urethane, carbodiimide, uretonimine, allophanate, biuret, amide, iminooxadiazinedione and / or oxadiazinetrione structure as well as unmodified polyisocyanate having more than 2 NCO can also be proportionally added.
- Groups per molecule such as 4-isocyanatomethyl-l, 8-octane diisocyanate (nonane triisocyanate) or triphenylmethane-4, 4 ', 4' 'trisis cyanat with be used.
- This parameter can also be in a range from> 180: 100 to ⁇ 330: 100 or else from> 90: 100 to ⁇ 140: 100.
- the component A) comprises acrylamide, epoxides and / or phenol, melamine and / or 11 arns t ff-F rma Ide!
- polyacrylamide, epoxy foams, phenol resin foams, melamine resin foams or urea foams can be obtained.
- component A) comprises polystyrene, polyvinyl chloride, polyvinyl acetate, polyethylene terephthalate, polymethyl methacrylate, thermoplastic polyurethane (TPU), polypropylene, polyethylene and / or copolymers of styrene, butadiene, acrylonitrile, methyl methacrylate and / or vinyl acetate such as acrylonitrile - butadiene-styrene (ABS), styrene-acrylonitrile (SAN), styrene-butadiene-methacrylate (SBM), ethylene vinyl acetate (EVA) and / or blends of these polymers.
- ABS acrylonitrile - butadiene-styrene
- SAN styrene-acrylonitrile
- SBM styrene-butadiene-methacrylate
- EVA ethylene vinyl acetate
- the surfactant component B) is selected from the group comprising alkoxylated alkanols, alkoxylated alkylphenols, alkoxylated fatty acids, fatty acid esters, polyalkyleneamines, alkylsulfates, alkylpolyethers, alkylpolyglucosides, phosphatidylinositols, fluorinated surfactants, surfactants comprising polysiioxane groups and / or bis (2 ethyl 1-hexyl) sulfosuccinate.
- Alkoxylated alkanols which can be used according to the invention as surfactant components are, for example, ethers of linear or branched alkanols having> 10 to ⁇ 30 carbon atoms with polyalkylene glycols having> 2 to ⁇ 100 alkylene oxide units.
- they may be ethers of linear alkanols having> 15 to ⁇ 20 carbon atoms with polyalkylene glycols having> 5 to ⁇ 0 ethylene oxide units.
- Fluorinated surfactants may be perfluorinated or partially fluorinated. Examples of these are partially fluorinated ethoxylated alkanols or carboxylic acids such as perfluorooctanoic acid.
- a surfactant comprising polysiioxane groups can be, for example, a siloxane-terminated polyalkylene oxide polyether. These surfactants may be linear or branched. Such a surfactant to be used in the present invention can be obtained, for example, by the hydrosilylation of an unsaturated compound with a polysiloxane carrying Si-H groups.
- the unsaturated compound may be, inter alia, the reaction product of the ethyl alcohol with ethylene oxide or propylene oxide.
- the surfactant may also be obtained by the reaction of polyether alcohols with a polysiloxane bearing Si-Cl groups.
- all end groups can be siloxane-terminated. It is also possible that mixed end groups are present So siloxane diacids and OH end groups or by reaction functionalized OH end groups such as methoxy groups are present.
- the siloxane-terminus can be a monosiloxane group R s Si 0 or an oligo- or polysiloxane group RsSi-O-fRiSi-Oj n -fAO] with for example n> 1 to ⁇ 100 s.
- the s il ox anterminus may also be constructed according to R S Si () RSi [A () J () [R; Si ()] ", () SiR s with, for example m> 0 to ⁇ 10 or as a comb polymer according to be constructed with m + n> 0 to ⁇ 250.
- the radical R is preferably an alkyl group, in particular a methyl group.
- the group [AO] is a polyalkylene oxide radical, preferably polyethylene oxide and / or polypropylene oxide.
- the group [AO] can also be attached via a linking group such as C 3 H 6 to the siloxane.
- the co-component D) is selected from the group comprising alkanes, alkenes, aromatics, esters, ethers, ketones having> 7 to ⁇ 20 C atoms, preferably> 8 to ⁇ 1 8 C atoms , Particularly preferably> 1 0 to ⁇ 1 6 C atoms, and / or linear, branched or cyclic polysiloxanes having> 3 to ⁇ 20 Si atoms, preferably> 4 to ⁇ 12 Si atoms, more preferably> 5 to ⁇ 8 Si atoms.
- esters are the condensation products of mono-, di-, tri- and tetracarboxylic acids with monools, diols and triols. Preference is given to monols and monocarboxylic acids.
- Monools can be, for example, methanol, ethanol, propanol, butanol, pentanol, hexanol, heptanol, octanol, nonanol, decanol, undecanol, dodecanol, tridecanol, tetradecanol, pentadecanol, hexadecanol, heptadecanol or octadecanol.
- diols can be ethylene glycol, 1,2- and 1,3-propanediol, 1,3- and 1,4-butanediol, 1,6-hexanediol, 1,8-octanediol, neopentyl glycol, 2-methyl-1,3 propanediol, 2,2,4-trimethylpentanediol-1,3-dipropylene glycol.
- Examples of monocarboxylic acids can be formic acid, acetic acid, propionic acid, butyric acid, pentanoic acid, hexanoic acid, 1 lept acid. Octanoic, nonanoic, decanoic, undecanoic,
- Dodecanoic acid Trid ekans acid, Tetrad ecanTalkre, Pentad ecanTalkre, Hexadecan Textre, Heptadecanchure, octadecanoic be.
- polycarboxylic acids for example, phthalic acid, isophthalic acid, terephthalic acid,
- Tetrahydrophthalic acid Tetrahydrophthalic acid, hexahydrophthalic acid, cyclohexanedicarboxylic acid, adipic acid, azelaic acid, sebacic acid, glutaric acid, tetrachlorophthalic acid, maleic acid, fumaric acid, itaconic acid, malonic acid, suberic acid, succinic acid, 2-methylsuccinic acid, 3,3-diethylglutaric acid, 2,2-dimethylsuccinic acid.
- suitable aromatics are alkylated benzene derivatives.
- Suitable ethers are those of the general structural formula [RO-R '], where R and R "are organic radicals, preferably alkyl or phenyl groups, ethers may also be the reaction products of diols, triols and tetraols with monools.
- Suitable polysiloxanes are those of the general structural formula [RR ' Si () J.] Where R and R ' are organic radicals, preferably methyl or phenyl groups.
- This co-component D) preferably contains no isocyanate-reactive groups.
- the conversion of the CO 2 of the blowing agent component C) takes place in the subcritical state in a closed mold, wherein the closed mold is not part of a mixing head of a mixing plant and is arranged so that their internal volume and / or the pressure prevailing in its interior can be changed after introduction of the mixture by external influence.
- the fact that the closed mold is not the mixing head of a mixing plant means, in particular, that this does not mean a mixing chamber or a discharge head of a mixing head that can be closed at one end.
- the emulsion-like composition is introduced into a closed mold.
- the blowing agent component C) is then present during and after introduction in the supercritical or near-critical state.
- a closed mold is to be understood here in particular as a form in which an overpressure relative to the atmospheric pressure can be established.
- the reaction mixture is introduced into the mold via a gas-tight filling opening. The closed shape prevents subcritical conditions for the propellant from reverting too early.
- the shape is set up so that its internal volume and / or the pressure prevailing in its interior can be changed after introduction of the emulsion-like composition by external influence. This means that not only the introduction of the composition and a subsequent reaction to a foam change the internal volume and the pressure of the mold. Rather, the form has even more possibilities to accomplish this externally and thus controlled.
- a back pressure can be built up when the composition is introduced and this back pressure can be maintained as long as the mixture remains in the mold for the predetermined period of time.
- the back pressure can influence the expansion of the propellant and thus the cell size.
- the backpressure is above the critical pressure for the propellant used.
- the back pressure can be> 40 bar to ⁇ 150 bar or> 70 bar to ⁇ 120 bar.
- temperatures above the critical temperature of the propellant prevail in the mold. This can be achieved by an external heater. However, such temperatures can also be achieved by the heat of reaction polyurethane formation without further action.
- the provision of the components can be done by a high-pressure polyurethane plant.
- the composition After introducing the composition into the mold it lingers for a predetermined period of> 0 seconds. Also, when the composition is retained in the mold, an increased pressure is preferably maintained. It is possible that the back pressure is above the critical pressure for the propellant or that near critical conditions prevail. For example, the back pressure can be> 40 bar to ⁇ 150 bar or> 70 bar to ⁇ 120 bar. It is also possible that prevail during the stay in the mold temperatures above the critical temperature of the respective blowing agent or that near-critical conditions exist.
- the lingering takes place for> 1 second to ⁇ 20 minutes.
- the residence time can also be> 1 minute to ⁇ 12 minutes.
- the resulting foam cross-links without any expansion of gas bubbles in the foam undesirably increasing the cell size.
- the external influence can be a reduction in pressure or a volume increase in the closed mold.
- this includes the
- the components have the following proportions in the emulsion-type composition, the sum of the weight fractions being ⁇ 100% by weight:
- the hydroxyl number of the polyols is determined here according to DIN 53240.
- a further subject of the present invention is an emulsion-like composition suitable for producing a foamed material, comprising: A) a matrix-forming component, wherein the matrix formed is solid at room temperature,
- blowing agent component B) a surfactant component and C) a blowing agent component emulsified in component A) which comprises supercritical or nearcritical C0 2 , which is characterized in that the blowing agent component C) furthermore comprises a hydrophobic co-component D) which is present in supercritical CO 2 at a pressure of> 150 bar is soluble, is not soluble in subcritical CO 2 at a pressure of ⁇ 40 bar and is not soluble in component A) and also the co-component D) in a proportion of> 3% by weight to ⁇ 35% by weight % of the blowing agent component is present.
- the present invention also relates to a foamed material obtainable by a method according to the invention, comprising a solid matrix and gas bubbles distributed in the matrix, this being characterized in that the interface between matrix and gas bubble on the side facing the interior of the gas bubble, a hydrophobic Co Component D), which is soluble in supercritical CO 2 at a pressure of> 150 bar, is not soluble in subcritical CO 2 at a pressure of ⁇ 40 bar and is not soluble in component A).
- a hydrophobic Co Component D which is soluble in supercritical CO 2 at a pressure of> 150 bar, is not soluble in subcritical CO 2 at a pressure of ⁇ 40 bar and is not soluble in component A).
- the foam has an average pore diameter of> 10 nm to ⁇ 10000 nm.
- the pore diameter may also be> 20 nm to ⁇ 1000 nm and> 40 nm to ⁇ 800 nm.
- the pore diameter is determined by electron microscopy and measuring the pores. Alternative methods are the determination by mercury intrusion (DIN 66133) and nitrogen sorption (DIN 66134).
- the foam has a pore density of> 10 7 pores / cm 3 to ⁇ 10 18 pores / cm 3 . The pore density is determined by electron microscopy.
- the number of pores per unit area is determined on a representative cross-sectional area of the foam and extrapolated to the volume.
- the pore density can also be in a range from> 10 9 pores / cm 3 to ⁇ 10 16 pores / cm 3 and preferably> 10 12 pores / cm 3 to ⁇ 10 14 pores / cm 3 .
- the foam has a bulk density of> 10 kg / m 3 to ⁇ 300 kg m 3 .
- the bulk density may also be in a range from> 20 kg / m 3 to ⁇ 200 kg / m 3 and preferably from> 25 kg / m 3 to ⁇ 120 kg / m 3 .
- the foam has a thermal conductivity of> 6 mW / m K to ⁇ 30 mW / m K. This can be determined by means of DIN 5261 6 and also in a range from> 8 mW / m K to ⁇ 25 mW / m K and preferably> 10 mW / m K to ⁇ 20 mW / m K.
- the solid matrix comprises a polyurethane polymer. Included in this term are PIR and PUR / PIR polymers. Here, too, reference is made to the comments on the process according to the invention.
- the material is obtainable from an emulsion-like composition with components in the following proportions, the sum of the weight fractions being ⁇ 100% by weight:
- the pore density is in the range of> 10 7 pores / cm 3 .
- FIG. 1 is a pressure-dependent phase diagram of a binary system
- FIG. 2 is a pressure-dependent phase diagram of the system w-decane / C0 2
- FIG. 3 is a pressure-dependent phase diagram of the system
- FIG. 4 shows the phase behavior of w-dodecane-containing systems
- FIG. Figure 5 shows the phase behavior of other systems containing n-dodecane
- FIG. 6 the phase behavior of other w-dodecane-containing systems
- FIG. 7 shows the phase behavior of octamethylcyclotetrasiloxane-containing systems
- FIG. 8 to 10 usable according to the invention closed forms
- Desmophen® W.PU 1431 Difunctional polyester polyol from Bayer MaterialScience AG, OH number 310 mg OH / g
- Desmophen® W.PU 20AP95 Polyether polyol based on sucrose from Finna Bayer
- TCPP tris (2-chloroisopropyl) phosphate
- Emuldac® AS-11 C ! 6 - C ! 8 - Alcohol Polyethylene Glycol Ether (11 EO)
- Emuidac® AS-25 C ! 6 - C ! 8 Alcohol Polyethylene Glycol Ether (25 EO)
- Zonyl® FSN-100 Ethoxylated Nonionic Fluorosurfactant, CAS No. 65545-80-4
- DABCO 1,4-diazabicyclo [2.2.2]
- octane DBTL dibutyltin dilaurate
- FIG. 1 schematically shows a pressure-dependent phase diagram of a binary system, CO 2 being one of the two components of the system.
- the x-axis indicates the relative proportion of CO 2 in the system.
- the two components are completely miscible with each other, so here is a single-phase area. This is marked as "1".
- the two-phase region "2" is enclosed by the so-called binodal, which is drawn as a solid line. However, there is another area within this area, which is enclosed by the dotted line spinodal.
- the mixture must have the critical (or near-critical) composition.
- the critical point here is the maximum of the binodal curve.
- the spontaneous segregation takes place here without the crossing of an energy barrier and thus without the onset of a nucleation step.
- the separation is induced by local sinusoidal fluctuations of the concentration.
- the so-called spinodal segregation has a char acteris phase morphology.
- FIG. 2 shows the binary phase behavior as a function of the pressure for the system "decane / CO 2 as an example of a long-chain alkane as co-component D).
- Single-phase and two-phase ranges are marked “1" and "2”.
- the data points 2-1 symbolize the calculated binodals of the system. Accordingly, data points 2-2 symbolize the calculated spinodal.
- Data points 2-3 designate the experimentally determined binodals.
- FIG. Figure 3 shows the binary phase behavior versus pressure for the system octamethylcyclotetrasiloxane (D4) / CC> 2 as an example of a siloxane as co-component D).
- D4 octamethylcyclotetrasiloxane
- CC> 2 siloxane as co-component D.
- Single-phase and two-phase ranges are marked “1" and "2".
- the data points 3-1 denote the experimentally determined binodals.
- the value ⁇ indicates the relative weight fraction of the blowing agent, ie the nonpolar phase, in the polyol / blowing agent mixture.
- the value ⁇ denotes the mass fractions of the individual components in the polar phase.
- the value ⁇ describes the composition within the nonpolar phase, ie the blowing agent components.
- the value ⁇ denotes the relative weight fraction of the surfactant component in the total composition.
- the value ⁇ relates to the composition of the surfactant component.
- reference numeral 1 denotes a single-phase region in which microemulsions occur.
- 2 is a biphasic region wherein the surfactant is dissolved in the polar phase and 2 is a biphasic region in which the surfactant is dissolved in the non-polar phase.
- the individual examples each relate to certain polyol / blowing agent surfactant systems.
- ⁇ the composition of the nonpolar phase was changed by adding a co-component D).
- the temperature of the system was noted and interpolated connecting lines between the measurement points to determine the sizes between the one-, two- and three-phase areas. In this way a diagram was obtained which is comparable to a Kahlweit-Fisch diagram (M. Kahlweit, R. Strey, Angewandte Chemie International Edition, Vol. 28 (8), page 654 (1985)).
- ⁇ the composition of the nonpolar phase was changed by adding a co-component D.
- FIG. 4 shows the phase behavior of systems with Desmophen® VP.PU 1431, glycerol, TCPP, Q2- 5211®, w-dodecane and supercritical CO 2 .
- FIG. 4 shows the phase behavior of systems with Desmophen® VP.PU 1431, glycerol, TCPP, Q2- 5211®, w-dodecane and supercritical CO 2 .
- FIG. 6 shows the phase behavior of further systems with Desmophen® VP.PU 1431, glycerol, TCPP, Q2-5211®, Emuldac® AS-11, dodecane and supercritical C0 2 .
- the surfactant component was modified by the addition of Emuldac® AS-11.
- Emuldac® AS-1 1 100: 0 (triangles), 90:10 (squares), 80:20 (circles) and 88: 12 (hexagons).
- FIG. Figure 7 shows the phase behavior of systems with Desmophen® VP.PU 1431, glycerol, TCPP, Q2- 5211®, octamethylcyclotetrasiloxane (D4) and supercritical CO 2 .
- FIG. 8 shows a closed mold which can be used according to the invention.
- the mold has an outer housing 10 with a schematically shown, by rectifying device 20 closable filling opening 30.
- the mixture comprising the required reaction components is hereby introduced into the mold.
- a piston-like seal 40 can be moved within the housing 10. In this way, within the mold, a volume bounded by the seal 40 for receiving the reaction mixture is created.
- the position of the seal 40 within the housing can be achieved by displacement by means of the projecting from the housing 10 rod-shaped continuation of the seal 40, ie by mechanical pressure.
- FIG. 9 shows a further usable closed mold according to the invention.
- the mold also has an outer housing 10 with a schematically illustrated, closable by shut-off device 20 filling opening 30 on.
- the mixture comprising the required reaction components is hereby introduced into the mold.
- the external influence of the pressure in the mold takes place by applying a gas pressure via a further valve device 60.
- This is shown schematically and closable by means of shut-off device 50 if necessary.
- the filling opening 30 and the valve device 60 can be combined with one another. For example, a mixing head attached to the filling opening 30 can then simultaneously apply gas pressure to the mold.
- FIG. FIG. 10 shows another closed mold which can be used according to the invention.
- the mold also has an outer housing 10 with a schematically illustrated, closable by shut-off device 20 filling opening 30 au f.
- the reaction to this problem is then entered into the form.
- a freely movable or freely floating seal 70 is located inside the housing 10. In this way, within the mold, a volume limited by the seal 40 is created for receiving the reaction mixture (reaction volume). On the other side of the seal 70, a further volume is obtained within the mold 10, which is to be referred to here as working volume.
- the working volume can be increased or decreased relative to the reaction volume.
- valve device 60 not only gases can be introduced into the working volume by means of valve device 60, but also other fluids, such as for example hydraulic fluids.
- a system of water and NaCl as the polar phase and C0 2 , n-decane, Zonyl® FSN-I00 and Emuldac® AS-25 as a non-polar phase was expanded from an initial pressure of 90 bar to 60 bar.
- a system of Desmophen® VP.PU 1431, Desmophen® VP.PU 20AP95 and glycerol as polar phase and CO 2 , w-decane and Q2-521 1® as non-polar phase was expanded from an initial pressure of 110 bar to 91 bar.
- a microemulsion obtainable according to the teaching of the invention was converted to a polyurethane foam.
- the mixture of polyols and catalysts (DBTDL and DABCO) and surfactant at 34 ° C and a pressure of 170 bar with C0 2 was added. Without being limited to theory, it is believed that this formed a microemulsion of scC0 2 droplets in the polyol phase.
- This emulsion was mixed with the polyisocyanate in a high-pressure mixing head.
- the reaction mixture was introduced into a mold (as shown in FIG.10) having a specific back pressure indicated in the following table.
- C0 2 in the mold still had supercritical conditions. Only after introduction into the mold heated to 35 ° C. and a certain residence time was the pressure reduced to normal pressure.
- the weights in these examples are given in parts by weight. The total shot weight was 120 g each.
- Desmophen® VP.PU 1431 95,00 95,00 95,00 95,00 95,00 95,00
- Comparative Example 7 was introduced at a back pressure of 30 bar. As a result, there were no supercritical conditions for CO 2 . In contrast to the examples according to the invention, the sample was inhomogeneous and had streaks.
- FIG. 11 shows a light microscope image of the foamed material of Example 5 according to the invention. It shows that the average pore size is clearly smaller than 80 ⁇ .
- the electron micrograph (REM) of the foamed material of Example 5 in FIG. 12 that the numerical most pores are smaller than 500 nm and are therefore not visible in the optical microscope image.
- FIG. 1 shows a borrowed micrograph of the foamed material of the comparative example
- FIG. 7 shows that the average pore size is significantly greater than 100 ⁇ .
- SEM electron micrograph
- FIG. 1 1 and FIG. 12. show that in Example 5, the average pore size is significantly smaller than 1 ⁇ . There are only a few bubbles in the range of 20-100 ⁇ . Most pores are smaller than 500 do.
- FIG. 13 and 14 show that, in contrast to Example 5 in Comparative Example 7, the pore size is significantly greater than 100 ⁇ .
- FIG. ! 5 shows that in Example 6 with a residence time of 38 seconds, a pore size of less than 80 ⁇ results.
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL11782104T PL2635628T3 (pl) | 2010-11-05 | 2011-11-04 | Sposób wytwarzania spienionego materiału, stosowana kompozycja w formie emulsji i wytwarzany spieniony materiał |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010060386A DE102010060386A1 (de) | 2010-11-05 | 2010-11-05 | Verfahren zur Herstellung eines geschäumten Materials, hierbei eingesetzte emulsionsförmige Zusammensetzung und hieraus erhältliches geschäumtes Material |
| PCT/EP2011/069382 WO2012059567A1 (de) | 2010-11-05 | 2011-11-04 | Verfahren zur herstellung eines geschäumten materials, hierbei eingesetzte emulsionsförmige zusammensetzung und hieraus erhältliches geschäumtes material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2635628A1 true EP2635628A1 (de) | 2013-09-11 |
| EP2635628B1 EP2635628B1 (de) | 2015-03-04 |
Family
ID=44947076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP11782104.1A Not-in-force EP2635628B1 (de) | 2010-11-05 | 2011-11-04 | Verfahren zur herstellung eines geschäumten materials, hierbei eingesetzte emulsionsförmige zusammensetzung und hieraus erhältliches geschäumtes material |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US9403958B2 (de) |
| EP (1) | EP2635628B1 (de) |
| JP (1) | JP6017433B2 (de) |
| KR (1) | KR20130117806A (de) |
| CN (1) | CN103429648B (de) |
| BR (1) | BR112013011166A2 (de) |
| CA (1) | CA2816772A1 (de) |
| DE (1) | DE102010060386A1 (de) |
| MX (1) | MX2013004970A (de) |
| PL (1) | PL2635628T3 (de) |
| RU (1) | RU2601447C2 (de) |
| WO (1) | WO2012059567A1 (de) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2722144A1 (de) * | 2012-10-19 | 2014-04-23 | Bayer MaterialScience AG | Reaktionssystem zur Herstellung von PUR- und PIR Hartschaumstoffen enthaltend Schichtsilikate |
| ES2774783T3 (es) * | 2014-01-23 | 2020-07-22 | Dow Global Technologies Llc | Espuma rígida de poliuretano con tamaño de celda pequeño |
| US11033659B2 (en) | 2014-09-29 | 2021-06-15 | Board Of Regents Of The University Of Nebraska | Nanofiber structures and methods of synthesis and use thereof |
| US20190263034A1 (en) | 2016-07-29 | 2019-08-29 | Covestro Deutschland Ag | System and method for producing a foamed polymer |
| CA3038304A1 (en) | 2016-09-28 | 2018-04-05 | Board Of Regents Of The University Of Nebraska | Nanofiber structures and methods of use thereof |
| WO2018227078A1 (en) | 2017-06-09 | 2018-12-13 | Board Of Regents Of The University Of Nebraska | Nanofiber structures and methods of use thereof |
| EP3672722B1 (de) * | 2017-08-21 | 2024-09-04 | Otex AG | Absorptionsmittel und eine vorrichtung zum herstellen eines absorptionsmittels |
| EP3684726A4 (de) | 2017-09-19 | 2021-06-30 | Board of Regents of the University of Nebraska | Nanofaserstrukturen und verfahren zur verwendung davon |
| CN108047417B (zh) * | 2017-12-29 | 2020-08-21 | 东莞市雄林新材料科技股份有限公司 | 一种用于饮水管的tpu材料及其制备方法 |
| CN108317305A (zh) * | 2018-01-31 | 2018-07-24 | 淄博洁林塑料制管有限公司 | 一种聚苯乙烯连续多层共挤发泡保温复合管材及其制造方法 |
| KR102142780B1 (ko) | 2018-11-29 | 2020-08-07 | 주식회사 포스코 | 측정 시스템 및 측정 방법 |
| US12383652B2 (en) | 2018-12-14 | 2025-08-12 | Board Of Regents Of The University Of Nebraska | Nanofiber structures and methods of manufacture and use thereof |
| CN110387032B (zh) * | 2019-07-25 | 2021-07-23 | 万华化学集团股份有限公司 | 一种聚醚酯多元醇、其制备方法及其制备的聚氨酯弹性体 |
| EP3838545A1 (de) * | 2019-12-17 | 2021-06-23 | Covestro Deutschland AG | Polyolmischungen und deren verwendung in der herstellung feinzelliger polyurethanschäume |
| CN110951035A (zh) * | 2019-12-27 | 2020-04-03 | 福建安达福新材料科技有限公司 | 一种基于超临界二氧化碳的聚氨酯发泡材料及其制备方法 |
| CN112280118B (zh) * | 2020-10-20 | 2022-12-20 | 山东贝隆新材料科技有限公司 | 杜仲乳胶和天然乳胶并用制作的发泡材料、方法及应用 |
| CN120484323B (zh) * | 2025-06-05 | 2025-12-02 | 华东理工大学 | 一种热塑性弹性体发泡珠粒及其制备方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4906672A (en) | 1988-07-29 | 1990-03-06 | Pmc, Inc. | Blowing agents for polyurethane foam |
| DE59501858D1 (de) * | 1994-11-02 | 1998-05-14 | Solvay Fluor & Derivate | Flüssiges kohlendioxid enthaltende treibmittel |
| US6896905B2 (en) * | 2001-02-15 | 2005-05-24 | Rohm And Haas Company | Porous particles, their aqueous dispersions, and method of preparation |
| WO2004026948A2 (en) * | 2002-09-17 | 2004-04-01 | Dow Global Technologies Inc. | Fire resistant polymeric foam composites |
| DE10260815B4 (de) | 2002-12-23 | 2008-07-03 | Universität Zu Köln | Aufgeschäumtes Material und Herstellverfahren für das aufgeschäumte Material |
| JP5207277B2 (ja) * | 2007-12-10 | 2013-06-12 | 独立行政法人産業技術総合研究所 | 微細発泡体の製造方法 |
| DE102009053218A1 (de) * | 2009-11-06 | 2011-07-14 | Bayer MaterialScience AG, 51373 | Verfahren zur Herstellung eines Polyurethanschaums mittels über- oder nahekritischen Treibmittels |
| DE102009053224A1 (de) | 2009-11-06 | 2011-07-14 | Bayer MaterialScience AG, 51373 | Verfahren zur Herstellung eines Polyurethanschaums und hieraus erhältlicher Polyurethanschaum |
-
2010
- 2010-11-05 DE DE102010060386A patent/DE102010060386A1/de not_active Withdrawn
-
2011
- 2011-11-04 JP JP2013537141A patent/JP6017433B2/ja not_active Expired - Fee Related
- 2011-11-04 MX MX2013004970A patent/MX2013004970A/es active IP Right Grant
- 2011-11-04 CN CN201180064284.5A patent/CN103429648B/zh not_active Expired - Fee Related
- 2011-11-04 WO PCT/EP2011/069382 patent/WO2012059567A1/de not_active Ceased
- 2011-11-04 BR BR112013011166A patent/BR112013011166A2/pt not_active IP Right Cessation
- 2011-11-04 US US13/883,306 patent/US9403958B2/en not_active Expired - Fee Related
- 2011-11-04 KR KR1020137014335A patent/KR20130117806A/ko not_active Ceased
- 2011-11-04 PL PL11782104T patent/PL2635628T3/pl unknown
- 2011-11-04 RU RU2013125690/05A patent/RU2601447C2/ru not_active IP Right Cessation
- 2011-11-04 CA CA2816772A patent/CA2816772A1/en not_active Abandoned
- 2011-11-04 EP EP11782104.1A patent/EP2635628B1/de not_active Not-in-force
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2012059567A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| MX2013004970A (es) | 2013-06-07 |
| KR20130117806A (ko) | 2013-10-28 |
| DE102010060386A1 (de) | 2012-05-10 |
| RU2013125690A (ru) | 2014-12-10 |
| CA2816772A1 (en) | 2012-05-10 |
| WO2012059567A1 (de) | 2012-05-10 |
| US20140107239A1 (en) | 2014-04-17 |
| JP6017433B2 (ja) | 2016-11-02 |
| JP2013541628A (ja) | 2013-11-14 |
| RU2601447C2 (ru) | 2016-11-10 |
| CN103429648A (zh) | 2013-12-04 |
| PL2635628T3 (pl) | 2015-07-31 |
| EP2635628B1 (de) | 2015-03-04 |
| BR112013011166A2 (pt) | 2016-08-23 |
| US9403958B2 (en) | 2016-08-02 |
| CN103429648B (zh) | 2015-05-13 |
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